Question

what are the merits and demerits of modern periodic table?​

Answer 1

Answer:

Mark it as brainliest

Yes

• Merits

1. All elements have spaces
2. Proper groups are given
3. Elements show periodicity
4. All the ambiguity such as isotopes, etc were solved

• Demerits

1. Position of hydrogen
2. According to subshells calcium should come under d block

Answer 2

Answer:

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